Liquid heaters and vaporizers – Circulation – With start-up operations
Patent
1978-11-06
1980-12-09
Yuen, Henry C.
Liquid heaters and vaporizers
Circulation
With start-up operations
122347, 236 15BD, F22D 700
Patent
active
042378257
ABSTRACT:
Furnace performance is controlled during start-up or very low load operation at a time when the minimum air flow required to be supplied to the furnace is significantly greater than that required to burn the fuel being supplied to the furnace. Decreased furnace heat absorption is accomplished by supplying a larger quantity of the air immediately adjacent the fuel input location for the purpose of diluting the combustion gases and immediately decreasing their temperature level. Increased furnace heat absorption is obtained by introducing a greater portion of the air flow into the furnace at a location remote from the fuel being burned so that the gases at the fuel location remain at a high temperature, and transfer heat to the walls, before being diluted by the incoming air.
REFERENCES:
patent: 3117556 (1964-01-01), Bowlus
patent: 3187727 (1965-06-01), Ravese
patent: 3189006 (1965-06-01), Kochey, Jr.
patent: 3288199 (1966-11-01), Gerrard et al.
patent: 3335782 (1967-08-01), De Livois
patent: 3532079 (1970-10-01), Chambert
patent: 3607117 (1971-09-01), Shaw
patent: 3723047 (1973-03-01), De Livois
patent: 3789806 (1974-02-01), Gorzegno
patent: 3838015 (1974-09-01), Buchbinder et al.
Combustion Engineering Inc.
Kochey Jr. Edward L.
Yuen Henry C.
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